General Science

The Intergovernmental Panel on Climate Change (IPCC) Year 2007 Report on climate science released in February 2007 is the most complete and up-to-date compendium of where climate science is currently at. This is the Summary for Policy Makers.

A Year 1996 report from the National Research Council on natural climate variability over century to decade time scales, as opposed to any anthropogenic climate change that would be happening against this background.

A Year 2002 report from the National Research Council on what is, and is not known regarding the possibility of significant climate shifts occurring on very short time scales (e.g. less than a decade) due to natural and anthropogenic forcings.